'Mad Men' set

Carin Baer/AMC

For three seasons, the elevator had one very specific function: It was the only really integrated space in the "Mad Men" universe. In this episode, Don Draper ( Jon Hamm) bribes African American elevator operator Hollis (LeMonde Byrd) into saying the elevator is out of service in order to get back at Roger Sterling (John Slattery).

For three seasons, the elevator had one very specific function: It was the only really integrated space in the "Mad Men" universe. In this episode, Don Draper ( Jon Hamm) bribes African American elevator operator Hollis (LeMonde Byrd) into saying the elevator is out of service in order to get back at Roger Sterling (John Slattery). (Carin Baer/AMC)

For three seasons, the elevator had one very specific function: It was the only really integrated space in the "Mad Men" universe. In this episode, Don Draper ( Jon Hamm) bribes African American elevator operator Hollis (LeMonde Byrd) into saying the elevator is out of service in order to get back at Roger Sterling (John Slattery).